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-rwxr-xr-xshare/zoneinfo/yearistype.sh18
1 files changed, 18 insertions, 0 deletions
diff --git a/share/zoneinfo/yearistype.sh b/share/zoneinfo/yearistype.sh
new file mode 100755
index 000000000000..42ef29bbe879
--- /dev/null
+++ b/share/zoneinfo/yearistype.sh
@@ -0,0 +1,18 @@
+#! /bin/sh
+
+: '@(#)yearistype.sh 7.2'
+
+case $#-$2 in
+ 2-odd) case $1 in
+ *[13579]) exit 0 ;;
+ *) exit 1 ;;
+ esac ;;
+ 2-even) case $1 in
+ *[24680]) exit 0 ;;
+ *) exit 1 ;;
+ esac ;;
+ 2-*) echo "$0: wild type - $2" >&2
+ exit 1 ;;
+ *) echo "$0: usage is $0 year type" >&2
+ exit 1 ;;
+esac